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Cargo Ship - Subtraction Math Game
Content Skill: Subtraction
Common Core State Standards: CCSS.Math.Content.2.OA.B.2 - Fluently subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Help Officer Hubert get the correct crates loaded onto the boat. He will scan them to make sure they are safe for travel.